| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.45 | 0.49 | -0.04 |
| Feb | 0.52 | 0.62 | -0.10 |
| Mar | 1.22 | 1.53 | -0.31 |
| Apr | 2.08 | 2.19 | -0.11 |
| May | 2.60 | 2.91 | -0.31 |
| Jun | 1.79 | 1.93 | -0.14 |
| Jul | 1.61 | 1.73 | -0.12 |
| Aug | 1.46 | 1.67 | -0.21 |
| Sep | 1.36 | 1.42 | -0.06 |
| Oct | 1.16 | 1.29 | -0.13 |
| Nov | 0.76 | 0.85 | -0.09 |
| Dec | 0.48 | 0.59 | -0.11 |
15.49 | 17.22 | -1.73 |